Removed unused class variable, module from mypy blacklist (pandas-dev#25900)

Author: WillAyd

mypy.ini

@@ -155,9 +155,6 @@ ignore_errors=True
 [mypy-pandas.io.feather_format]
 ignore_errors=True
 
-[mypy-pandas.io.formats.css]
-ignore_errors=True
-
 [mypy-pandas.io.html]
 ignore_errors=True
 

pandas/io/formats/css.py

@@ -15,9 +15,6 @@ class CSSResolver(object):
 
     """
 
-    INITIAL_STYLE = {
-    }
-
     def __call__(self, declarations_str, inherited=None):
         """ the given declarations to atomic properties
 
@@ -69,7 +66,7 @@ def __call__(self, declarations_str, inherited=None):
             if val == 'inherit':
                 val = inherited.get(prop, 'initial')
             if val == 'initial':
-                val = self.INITIAL_STYLE.get(prop)
+                val = None
 
             if val is None:
                 # we do not define a complete initial stylesheet

pandas/io/formats/excel.py

@@ -57,8 +57,7 @@ class CSSToExcelConverter(object):
 
     def __init__(self, inherited=None):
         if inherited is not None:
-            inherited = self.compute_css(inherited,
-                                         self.compute_css.INITIAL_STYLE)
+            inherited = self.compute_css(inherited)
 
         self.inherited = inherited